The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. It is usually found on the top of the head in between two valves and the rocker arm studs.

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Cylinder Head Codes for CID 350

Casting No Years CID Intake Exhaust CC
10065202 1987-95 350
10065203 1987-95 350
10065204 1987-95 350
10065206 1987 350 1.94 1.5
10065206 1987-95 350
10088113 1988-up 350
10088113 1988-up 350 1.94 1.5 58cc
10106178 1990 350
10106179 1990 350
10110810 1991-up 350
10120928 8197-95 350
10125320 1994-96 350
10128374 1992-up 350
10147898 1995-98 350
10159550 1987-95 350
10159552 1987-95 350
10174389 1991-94 350
10174390 1991-95 350
10205245 1993 350
10207643 1994-96 350
10215339 1997 350
10225121 1994-95 350
10225122 1995 350
10239902 1996-up 350
10239906 1996-up 350
12506450 1987-95 350
12516852 1987-95 350
12551561 1996 350
12554290 1994-96 350
12555690 1996 350
12558062 1998 350
12558806 1997-98 350
12559853 1999 350
14010516 1980-86 350
14011083 1955-86 350
14019261 1984-88 350 1.94 1.5
14019821 1980-86 350
14019926 1980-86 350
14020517 1980 350
14020517 1980 350
14020556 1981 350
14020556 1981 350
14022056 1985 350
14022056 1985 350 1.94 1.5
14022206 1980 350
14024816 350
14034808 1980-86 350
14034808 1996-up 350
14034810 1980-86 350
14034811 1980-86 350
14071114 1980-86 350
14075381 1980-86 350
14079261 1986 350
14085844 1980-86 350
14085963 1986 350
14085963 1986 350 1.94 1.5
14089119 1986-88 350 1.94 1.5
14089119 1986-88 350
14094093 1986-88 350
14094093 1986-88 350
14096217 1955-86 350
14101083 1987 350 1.94 1.5
14101083 1987-up 350
14101128 1987 350 1.94 1.5
14101128 1986-87 350
14102188 1988-93 350 1.94 1.5
14102191 1986-88 350 1.94 1.5
14102191 1987-up 350
14102193 1986-88 350 1.94 1.5
14102193 1987-up 350
3238882 1968-69 350
330545 1973 350 2.02 1.6 76
330545 1971-75 307/350 1.72 1.5 74
333881 1971-76 350 1.72 1.5
333881 1974-75 350 2.02 1.6 76
333882 1970-80 350/400 1.94 1.5 76
33417369 1990-up 350
340292 1973-80 350 2.02 1.6 64
376445 1977-85 350 1.72 1.5 76
376495 1969-79 350
3814462 1967 350 1.94 1.5
3814482 1962-67 283/327/350 75
3817681 1967 350 1.72 1.5
3855961 1968-76 350 1.72 1.5
3876487 1971-73 350 1.94 1.5
3890462 1966-67 327/350 1.94 1.5 63
3901068 1987-up 350 64
3912311 1967 350 1.94 1.5
3917291 1967-69 327/350 1.94 1.5 63.305
3917292 1968 327/350 1.94 1.5 64
3923441 1968-72 350 1.94 1.5
3927185 1969-73 307/327/350 1.72 1.5 69.625
3927186 1968-69 302/350 2.02 1.6 63.305
3927187 1969-70 350 2.02 1.6 63.995
3927188 1969 350 1.72 1.5
3928494 1968 350 2.02 1.6
3931635 1968-76 350 1.72 1.5
3931635 1968-76 350
3932441 1969-70 350 1.94 1.5 76.26
3932441X 1969-70 350/400 80
3932454 1969-79 350
3933148 1968-73 350
3946812 1969 350
3946812 1969 350 1.72 1.5
3946813 1969-70 350 1.72 1.5
3946813 1969-79 350
3947014 1969-70 350/302 64
3947041 1969-70 350 1.94 1.5 64
3947041X 1969 302/350 2.02 1.6 64
3964286 1968-77 350 1.72 1.5
3965742 1970 350
3970126 1967-70 327/350
3973370 1969-70 350 64
3973414 1970 350 64
3973487 1968-72 350 1.94 1.5 76
3973487 1968-73 350 2.02 1.6 76
3973487 1971-72 350 76
3973487X 1971-72 350 76
3981462 1967 350 1.94 1.5 unverified
3986316 1971 350
3986316 1971-72 350
3986330 1969-79 350
3986336X 350 76
3986339 1971 307/350
3986339 1970-76 350 1.72 1.5
3986339X 1971 307/350 74
3986388 1972-76 350 1.72 1.5
3986388 1968-76 307/350
3991492 1970 350
3991492 1969-72 350 2.02 1.6
3998916 1972 350
3998920 1972-74 350 1.94 1.5
3998920 1972-73 350
3998991 1970-76 350 1.72 1.5 74.56
3998991 1972-73 307/350 1.72 1.5 75
3998993 1968-76 350 1.72 1.5
3998993 1972-73 307/350
3998993 current 350
3998997 1972-73 350/400
3998997 1978-84 305/350
4079261 1975 350
460703 1978-80 350
462624 1979-85 350/400 1.94 1.5 76
468642 1979-83 350/400 1.72 1.5
471513 1979 267/350
517513 1979-82 267/350 1.72 1.3
6259425 1968-76 350 1.72 1.5
6259515 1973 350 1.94 1.5 76
6260856 1968-76 350 1.72 1.5
6272070 1972-73 350 1.72 1.5 76
8917291 1968 350 1.94 1.5 64